In 1963, a plane flew to space. Why couldn’t we go farther?

According to a report by Random News Portal… From the record-breaking X-15 to today’s hypersonic aircraft, the spaceplane dream never really died.
The post In 1963, a plane flew to space. Why couldn’t we go farther? appeared first on Popular Science. complete report is on link below. Source: https://www.popsci.com/technology/plane-fly-to-space-spaceplane/